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Diffstat (limited to 'src/png/info_base.hpp')
-rw-r--r-- | src/png/info_base.hpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/png/info_base.hpp b/src/png/info_base.hpp new file mode 100644 index 000000000..45e154296 --- /dev/null +++ b/src/png/info_base.hpp @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2007,2008 Alex Shulgin + * + * This file is part of png++ the C++ wrapper for libpng. PNG++ is free + * software; the exact copying conditions are as follows: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef PNGPP_INFO_BASE_HPP_INCLUDED +#define PNGPP_INFO_BASE_HPP_INCLUDED + +#include <cassert> +#include "error.hpp" +#include "types.hpp" + +namespace png +{ + + class io_base; + + /** + * \brief Internal class to hold PNG info or end_info. + */ + class info_base + { + info_base(info_base const&); + info_base& operator=(info_base const&); + + public: + info_base(io_base& io, png_struct* png) + : m_io(io), + m_png(png), + m_info(png_create_info_struct(m_png)) + { + } + + png_info* get_png_info() const + { + return m_info; + } + + png_info** get_png_info_ptr() + { + return & m_info; + } + + protected: + io_base& m_io; + png_struct* m_png; + png_info* m_info; + }; + +} // namespace png + +#endif // PNGPP_INFO_BASE_HPP_INCLUDED |